My laptop make some random panic under huge load, it appears more often when I play games/iourbanterror.


Fatal trap 9: general protection fault while in kernel mode
cpuid = 1; apic id = 01
instruction pointer    = 0x20:0xffffffff802c6f15
stack pointer            = 0x28:0xffffff80d89ac6c0
frame pointer            = 0x28:0x0
code segment        = base rx0, limit 0xfffff, type 0x1b
            = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags    = interrupt enabled, resume, IOPL = 0
current process        = 1288 (hald)
trap number        = 9
panic: general protection fault
cpuid = 1
Uptime: 1h52m22s
Dumping 596 out of 3054 MB:..3%..11%..22%..33%..41%..51%..62%..73%..81%..92%

Reading symbols from /boot/modules/vboxdrv.ko...done.
Loaded symbols for /boot/modules/vboxdrv.ko
#0  doadump (textdump=Variable "textdump" is not available.
) at pcpu.h:224
224        __asm("movq %%gs:0,%0" : "=r" (td));
(kgdb) list *0xffffff80d89ac6c0
No source file for address 0xffffff80d89ac6c0.
(kgdb) backtrace
#0  doadump (textdump=Variable "textdump" is not available.
) at pcpu.h:224
#1  0x0000000000000004 in ?? ()
#2  0xffffffff804f3ae6 in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:448
#3  0xffffffff804f3fa9 in panic (fmt=0x1 <Address 0x1 out of bounds>)
    at /usr/src/sys/kern/kern_shutdown.c:636
#4  0xffffffff806fcfa9 in trap_fatal (frame=0x9, eva=Variable "eva" is not available.
)
    at /usr/src/sys/amd64/amd64/trap.c:857
#5  0xffffffff806fd554 in trap (frame=0xffffff80d89ac610)
    at /usr/src/sys/amd64/amd64/trap.c:599
#6  0xffffffff806e81bf in calltrap ()
    at /usr/src/sys/amd64/amd64/exception.S:228
#7  0xffffffff802c6f15 in AcpiUtUpdateObjectReference (
    Object=0xfffffe0001824a80, Action=0)
    at /usr/src/sys/contrib/dev/acpica/utilities/utdelete.c:563
#8  0xffffffff802b77a4 in AcpiExResolveNodeToValue (
    ObjectPtr=0xfffffe0001a2c2e0, WalkState=0xfffffe0001a2c000)
    at /usr/src/sys/contrib/dev/acpica/executer/exresnte.c:184
#9  0xffffffff802b7ad3 in AcpiExResolveToValue (StackPtr=0xfffffe0001a2c2e0,
    WalkState=0xfffffe0001a2c000)
    at /usr/src/sys/contrib/dev/acpica/executer/exresolv.c:124
#10 0xffffffff802ac433 in AcpiDsEvaluateNamePath (WalkState=0xfffffe0001a2c000)
    at /usr/src/sys/contrib/dev/acpica/dispatcher/dsutils.c:886
---Type <return> to continue, or q <return> to quit---
#11 0xffffffff802aceef in AcpiDsExecEndOp (WalkState=0xfffffe0001a2c000)
    at /usr/src/sys/contrib/dev/acpica/dispatcher/dswexec.c:436
#12 0xffffffff802c05ba in AcpiPsParseLoop (WalkState=0xfffffe0001a2c000)
    at /usr/src/sys/contrib/dev/acpica/parser/psloop.c:1249
#13 0xffffffff802c10a8 in AcpiPsParseAml (WalkState=0xfffffe0001a2c000)
    at /usr/src/sys/contrib/dev/acpica/parser/psparse.c:525
#14 0xffffffff802c1d45 in AcpiPsExecuteMethod (Info=0xfffffe0033df8540)
    at /usr/src/sys/contrib/dev/acpica/parser/psxface.c:368
#15 0xffffffff802bb784 in AcpiNsEvaluate (Info=0xfffffe0033df8540)
    at /usr/src/sys/contrib/dev/acpica/namespace/nseval.c:193
#16 0xffffffff802bec91 in AcpiEvaluateObject (Handle=0xfffffe00017f7b80,
    Pathname=0xffffffff8078229f "_BST", ExternalParams=0x0,
    ReturnBuffer=0xffffff80d89ac960)
    at /usr/src/sys/contrib/dev/acpica/namespace/nsxfeval.c:289
#17 0xffffffff80309802 in acpi_cmbat_get_bst (arg=Variable "arg" is not available.
)
    at /usr/src/sys/dev/acpica/acpi_cmbat.c:257
#18 0xffffffff80309af8 in acpi_cmbat_bst (dev=0xfffffe0001936400,
    bstp=0xfffffe008b319400) at /usr/src/sys/dev/acpica/acpi_cmbat.c:418
#19 0xffffffff8045bd22 in devfs_ioctl_f (fp=0xfffffe001ba256e0,
    com=3231990289, data=Variable "data" is not available.
) at /usr/src/sys/fs/devfs/devfs_vnops.c:757
#20 0xffffffff8053a23d in kern_ioctl (td=0xfffffe00039ae8e0, fd=Variable "fd" is not available.
) at file.h:293
#21 0xffffffff8053a4ad in sys_ioctl (td=0xfffffe00039ae8e0,
    uap=0xffffff80d89acb70) at /usr/src/sys/kern/sys_generic.c:691
---Type <return> to continue, or q <return> to quit---
#22 0xffffffff806fc902 in amd64_syscall (td=0xfffffe00039ae8e0, traced=0)
    at subr_syscall.c:135
#23 0xffffffff806e84a7 in Xfast_syscall ()
    at /usr/src/sys/amd64/amd64/exception.S:387
#24 0x0000000801d89c5c in ?? ()
Previous frame inner to this frame (corrupt stack?)